英語解釋法語解釋

once

音標(biāo)[w?ns]

once是什么意思、once怎么讀

once漢語翻譯

ad. 一次, 曾經(jīng), 一旦
conj. 一旦, 一經(jīng)
n. 一次
a. 從前的
相關(guān)詞組:
once or twice
not once
all at once
at once
at once...and...
more than once
once more
once and again
once and away
once and for all
once in a way
once in a while
once too often
just for once
once upon a time
once a week

once詞意辨析

once, as soon as

兩者均為從屬連詞，引導(dǎo)時間狀語從句，都表示主句的動作緊跟在從句的動作之后發(fā)生。
once: 除表時間外，還表示條件，一般譯作“一旦......就......”。

once he makes up his mind，he’ll never give it up.
他一旦下定決心，就決不會放棄（本句不可用as soon as）。

as soon as: 強(qiáng)調(diào)的只是時間，譯作“剛......就......”或“一......就......”。

as soon as i get to beijing，i’ll write to you.
我一到北京就寫信給你。

once英語解釋

副詞 once:

on one occasion
同義詞：one time, in one case
as soon as
at a previous time;
同義詞：formerly, at one time, erstwhile, erst

once例句

Be pleasant to each other just this once.
彼此要和睦些－－就只為這一次吧。
The film is at once humorous and moving.
這部電影既幽默又動人。
Amanda is home from college once again.
阿曼達(dá)又從學(xué)?；氐郊抑小?/div>
All at once she lost her temper.
她突然發(fā)起脾氣來。
Once we lived in London.
我們曾經(jīng)住在倫敦。
Once is enough, never again.
一次就夠了，別再干了。
Once you begin, you must continue.
一旦開始，你就得繼續(xù)。
He stopped playing the piano at once.
他立刻停止了彈鋼琴。

once詳細(xì)解釋

once

adv.（副詞）
One time only:
僅僅一次：
例句：
once a day.
一天一次

At one time in the past; formerly.
過去的某一時間；以前
At any time; ever:
從前；曾經(jīng)：
例句：
Once known, his face is never forgotten.
曾經(jīng)認(rèn)識，他的面容讓人永生難忘

By one degree of relationship:
關(guān)系相隔一代的：
例句：
my first cousin once removed.
我堂親的孩子

n.（名詞）
A single occurrence; one time:
發(fā)生一次；一次：
例句：
Once will have to do. You can go just this once.
必須去做一次，你只去這一回

conj.（連接詞）
As soon as; if ever; when:
一…就；一旦；當(dāng)…時：
例句：
Once he goes, we can clean up.
他一走，我們就能清理

adj.（形容詞）
Having been formerly; former:
曾經(jīng)的；以前的：
例句：
the once capital of the nation.
該國以前的首都

<習(xí)慣用語>at once
All at one time; simultaneously:
立刻；同時：
例句：
Everything happened at once. The view of the skyline is at once awesome, grand, and disappointing.
所有的事都一起發(fā)生了。天邊立刻呈現(xiàn)出令人敬畏的、壯麗的和令人沮喪的景色

Immediately; instantly:
立即；馬上：
例句：
Leave the room at once.
馬上離開這個房間

來源：
Middle English ones
中古英語 ones
from on [one]
源自 on [一]
from Old English 3n * see oi-no-
源自古英語 3n *參見 oi-no-